Core technology and innovation
1. High-stability DC power supply technology for UHV site;
2. Fully automatic "missile upright" deployment structure, no assembly, no auxiliary equipment, the test deployment process does not exceed 30 minutes;
3. Intelligent induction hydraulic automatic control buffer technology, the erection process is stable, smooth and safe;
4. Airbag-type metal scale pressure equalizing cover, inflated and formed during the test, and deflated and contracted during storage and transportation "80OkV and above);
5. Test platform automatic getting on and off technology;
6. Platform expansion support and automatic leveling technology.
Technical characteristics
1. Multi-level voltage stabilization, stability is better than 0.03%6;
2. Full-wave symmetrical voltage doubler, ripple coefficient is better than 0.1%;
3. Coarse, fine, fine, digital output adjustment, fineness is better than 0.05%6;
4. Divided output, the lower limit of reaching the standard is better than 5% of the rated output intelligent control,
Automatic step-up, timing, step-down;
5. Wheeled traction self-propelled chassis technology (optional);
6. Double pressure "The pressure measurement adopts a slightly positive pressure nitrogen insulation structure, which is moisture-proof and non-toxic
Harm, safe storage and transportation, low maintenance cost.
Standard setting
Compiled or edited by Suzhou Huadian:
1. "Verification Regulations for DC High Voltage Divider" JJG1007-2005
2 "General Technical Requirements for High Voltage Test Equipment Part 1: DC High Voltage
Generator》DL/T848.1-2019
3. "Guidelines for the Implementation of Field Insulation Tests Direct Current High Voltage Tests"
Typical performance
Suzhou Huadian will deliver the DC transformer calibration platform for ±1100k system to the Measurement Center of State Grid Zhejiang Electric Power Research Institute in October 2020